CN111376943B - Braking clamp protective cover and railway vehicle - Google Patents
Braking clamp protective cover and railway vehicle Download PDFInfo
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- CN111376943B CN111376943B CN201811611470.6A CN201811611470A CN111376943B CN 111376943 B CN111376943 B CN 111376943B CN 201811611470 A CN201811611470 A CN 201811611470A CN 111376943 B CN111376943 B CN 111376943B
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- brake
- cover body
- cover
- brake caliper
- clamping arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
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Abstract
The embodiment of the application provides a braking clamp protection casing and rail vehicle, wherein, braking clamp protection casing includes: connecting the cover body; the connecting cover body is provided with a connecting part for connecting with the bogie frame; the clamping arm cover body is connected with the connecting cover body and is used for covering the outer side of the clamping arm in the brake clamp; and the brake pad cover body is connected with the clamping arm cover body and is used for covering the outer side of the brake pad in the brake clamp. The brake clamp protective cover and the rail vehicle provided by the embodiment of the application can solve the problem that snow particles or ice blocks are easy to adhere to a brake clamp in the prior art, so that the brake effect is influenced.
Description
Technical Field
The application relates to a railway vehicle ice and snow removing technology, in particular to a brake clamp protective cover and a railway vehicle.
Background
The rail vehicle is an important traffic tie connecting cities, is gradually a main vehicle in the cities, and is also a main carrier for realizing goods transportation. The rail vehicle mainly includes: the bogie is used for bearing the vehicle body and realizing walking and steering functions. The bogie mainly comprises: the wheel pair comprises a framework and a wheel pair, wherein the framework is provided with a brake clamp used for pressing the wheel in the wheel pair to brake in a braking state.
When the rail vehicle runs in a snowy and alpine region, snow particles around the vehicle are rolled into a bogie area and are easily attached to the brake clamp, so that the brake clamp has the phenomenon of large-area snow freezing. On one hand, snow particles or ice on the surface of the brake clamp in contact with the wheel can reduce the friction force between the brake clamp and the wheel, so that the brake clamp slips to influence the brake effect; on the other hand, if the brake clamp is frozen, the brake cannot be realized, and great potential safety hazard is caused to the running of the vehicle.
Disclosure of Invention
The embodiment of the application provides a braking clamp protective cover and a railway vehicle, and can solve the problem that snow particles or ice blocks are easy to adhere to a braking clamp in the prior art, so that the braking effect is influenced.
An embodiment of a first aspect of the present application provides a brake caliper guard, including:
connecting the cover body; the connecting cover body is provided with a connecting part for connecting with the bogie frame;
the clamping arm cover body is connected with the connecting cover body and is used for covering the outer side of the clamping arm in the brake clamp;
and the brake pad cover body is connected with the clamping arm cover body and is used for covering the outer side of the brake pad in the brake clamp.
The brake caliper guard as described above, said brake pad cover comprising:
the outer side cover body is connected with the clamping arm cover body and is used for covering the end part of the clamping arm;
and the inner side cover body is connected with the outer side cover body and is used for covering the outer end face of the brake pad.
According to the brake caliper protective cover, the inner side cover body is a curved surface plate, and the shape of the inner side cover body is the same as that of the outer end face of the brake pad.
The brake clamp protective cover comprises an outer cover body and a clamping arm, wherein the outer cover body is provided with a containing groove which is used for containing the connecting end of the clamping arm; and a first heating device is arranged in the accommodating groove.
According to the brake clamp protective cover, the bottom of the inner side cover body is provided with the first liquid through hole.
The brake caliper guard as described above, said clip arm cover comprising:
the side plate is connected with the connecting cover body and extends to cover the side surface of the clamping arm;
the top plate is connected with the top end of the side plate and extends to cover the upper part of the clamping arm;
and the bottom plate is connected with the bottom ends of the side plates and extends to cover the lower part of the clamping arm.
According to the brake clamp protective cover, the side plate is the same as the side surface of the clamping arm in shape.
The brake caliper guard as described above, the inner surface of the top and/or bottom plate being provided with second heating means.
According to the brake clamp protective cover, the bottom plate is provided with the second liquid through hole.
An embodiment of a second aspect of the present application provides a rail vehicle, including:
a frame;
a brake caliper disposed on the frame;
the brake caliper protective cover is connected to the framework and used for covering the outer side of the brake caliper.
According to the technical scheme provided by the embodiment of the application, the connecting cover body is adopted, and the connecting part used for being connected with the bogie frame is arranged on the connecting cover body; the clamping arm cover body is connected with the connecting cover body and is used for covering the outer side of the clamping arm in the brake clamp; still adopt the brake lining cover body to link to each other with the arm lock cover body for the outside of brake lining is established in the braking clamp to the cover, can block snow particle, avoids snow particle to adhere to the surface at arm lock or brake lining, and then can ensure that frictional force between the two satisfies the braking requirement when brake lining and wheel contact, realizes normal braking.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural diagram of a brake caliper guard according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of another angle structure of a brake caliper guard according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a brake caliper protective cover covering the outside of a brake caliper according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a brake caliper according to an embodiment of the present disclosure;
FIG. 5 is an exploded view of a brake caliper guard according to one embodiment of the present application;
FIG. 6 is an exploded view from another angle of a brake caliper guard as provided by one embodiment of the present application;
FIG. 7 is an exploded view of a brake caliper shield according to an embodiment of the present application disposed outside of a brake caliper;
FIG. 8 is a schematic structural diagram of an inner cover of a brake caliper guard according to an embodiment of the present disclosure;
FIG. 9 is a schematic structural view of an inner side cover body covering the brake pad of the brake caliper protective cover according to an embodiment of the present disclosure;
FIG. 10 is a schematic structural diagram of an outer cover of a brake caliper guard according to an embodiment of the present disclosure;
fig. 11 is a schematic structural view of an outer housing disposed at an end of a clamping arm in the brake caliper shield according to an embodiment of the present disclosure;
FIG. 12 is a schematic structural view of a clamping arm shield and a connecting shield of a brake caliper shield according to an embodiment of the present disclosure;
fig. 13 is a schematic view of another angle between the clamping arm cover and the connecting cover of the brake caliper shield according to the first embodiment of the present disclosure.
Reference numerals:
10-connecting the cover body; 11-a connecting portion;
20-a clamp arm cover body; 21-side plate; 22-a top plate; 23-a base plate; 231-second through holes;
30-a brake lining shield body; 31-an outer mask body; 311-a second medial side; 312-a second end face; 313-an accommodating groove; 32-inner side cover; 321-a first outer side; 322-a second medial side; 323-first end face; 324-a first liquid through hole;
40-brake clamps; 41-a body portion; 42-a clamp arm; 421-a connecting end; 43-brake pads; 431-braking surface; 432-brake pad end face.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example one
The embodiment provides a brake caliper protective cover which can be applied to a railway vehicle and used for protecting a brake caliper and reducing snow particles from being attached to the brake caliper. The rail vehicle can be a diesel locomotive or an electric locomotive, and can be a motor train unit, a subway, a light rail or a tramcar and the like.
The brake caliper that the brake caliper protection casing that this embodiment provided can be suitable for includes: the brake pad comprises a main body part, a clamping arm connected with the main body part and a brake pad connected to the end part of the clamping arm. When the rail vehicle needs to be braked, the brake pad is driven by the clamping arm to move to press the wheel, so that the wheel is prevented from rotating to realize braking.
Fig. 1 is a schematic structural view of a brake caliper protective cover according to an embodiment of the present disclosure, fig. 2 is another angular structural view of the brake caliper protective cover according to the embodiment of the present disclosure, and fig. 3 is a schematic structural view of the brake caliper protective cover disposed outside the brake caliper according to the embodiment of the present disclosure. As shown in fig. 1 to 3, the brake caliper guard according to the present embodiment includes: the connecting cover body 10, the clamping arm cover body 20 and the brake pad cover body 30.
Wherein, the connecting cover 10 is provided with a connecting part 11, and is connected with the framework of the bogie through the connecting part 11. The connecting portion 11 may be connected to the frame in various ways, such as bolt connection, clamping connection, etc. Correspondingly, the connecting portion 11 may be provided with a bolt hole or a clamping member.
The clamping arm cover body 20 is connected with the connecting cover body 10, and the clamping arm cover body 20 covers the outer side of the clamping arm in the brake clamp 40. Specifically, one end of the clamping arm cover body 20 is connected to the connecting cover body 10, and the other end extends along the length direction of the clamping arm in the brake clamp, and covers the outer side of the whole clamping arm.
The brake pad cover 30 is connected to the clamping arm cover 20, and the brake pad cover 30 is covered on the outer side of the brake pad in the brake caliper 40.
The clamping arm cover body 20 is covered outside the clamping arm, and the size of the clamping arm cover body can be set according to the size and the moving stroke of the clamping arm, so that the normal action of the clamping arm cannot be influenced by the clamping arm cover body 20. The damper cover 30 covers the outside of the damper, and its size can be set according to the size and the moving stroke of the damper, so that the damper cover 30 cannot affect the normal operation of the damper.
According to the technical scheme provided by the embodiment, the connecting cover body is adopted, and the connecting part used for being connected with the bogie frame is arranged on the connecting cover body; the clamping arm cover body is connected with the connecting cover body and is used for covering the outer side of the clamping arm in the brake clamp; still adopt the brake lining cover body to link to each other with the arm lock cover body for the outside of brake lining is established in the braking clamp to the cover, can block snow particle, avoids snow particle to adhere to the surface at arm lock or brake lining, and then can ensure that frictional force between the two satisfies the braking requirement when brake lining and wheel contact, realizes normal braking.
Aiming at the brake clamps with different structures, the structure of the protective cover can be set in a targeted manner. The present embodiment is exemplified by a brake caliper,
fig. 4 is a schematic structural diagram of a brake caliper according to an embodiment of the present application. As shown in fig. 4, the brake caliper includes: a body 41, a clamp arm 42 and a brake pad 43. Wherein the body part 41 is connected to the braking suspension beam on the frame. The number of the clip arms 42 is two, and the clip arms are provided on both sides of the body 41. Each of the arms 42 has one end connected to the body 41 and the other end connected to a damper 43. The opposite surface of the two brake pads 43 is a braking surface 431. When the rail vehicle needs to be braked, the brake driving device drives the clamping arms 42 to act, so that the two brake pads are driven to move oppositely and clamped on the wheel disc surfaces on the two sides of the wheel, and the brake effect is achieved by blocking the rotation of the wheel.
In the shield of the present embodiment, the number of the clamping arm covers 20 is two, and the two clamping arm covers are respectively covered outside the two clamping arms 42. The damper cover 30 covers the outside of the damper 43 and is connected to the arm lock cover 20. The connecting hood 10 is connected to two clamping arm hoods 20 and is connected to the framework by a connecting part 11. The brake pad cover 30 and the clip arm cover 20 are only respectively covered on the outer sides of the brake pad 43 and the clip arm 42, and do not contact with the brake pad 43 or the clip arm 42, so that the brake pad cover does not affect the action of the brake clamp.
On the basis of the technical scheme, the protective cover is optimized:
fig. 5 is an exploded view of a brake caliper guard provided in accordance with an embodiment of the present application, fig. 6 is an exploded view of another angle of the brake caliper guard provided in accordance with an embodiment of the present application, and fig. 7 is an exploded view of a brake caliper guard provided in accordance with an embodiment of the present application, which is disposed outside of a brake caliper.
As shown in fig. 5 to 7, the damper blade cover 30 includes: an outer cover 31 and an inner cover 32. Wherein, the outer side cover 31 is connected with the clamping arm cover 20, and the inner side cover 32 is connected with the outer side cover 31. The outer cover 31 covers an end portion of the arm 42 connected to the damper 43, and the inner cover 32 covers an outer end surface (referred to as a damper end surface 432) of the damper 43.
The outer cover 31 and the clip arm cover 20 may be bonded together, or the outer cover 31 and the clip arm cover 20 may be formed integrally. The inner shell 32 and the outer shell 31 may be bonded together, or they may be integrally formed.
FIG. 8 is a schematic structural diagram of an inner cover of a brake caliper guard according to an embodiment of the present application,
fig. 9 is a schematic structural view of an inner side cover body of the brake caliper protective cover provided outside a brake pad according to an embodiment of the present application. As shown in fig. 8 and 9, the inner cover 32 has a thin plate structure, and is covered on the outer side of the damper end surface 432, and may be a curved plate, which has the same shape as the damper end surface 432, so that there is no large gap between the inner cover 32 and the damper end surface 432, and snow particles are prevented from entering the gap between the inner cover 32 and the damper end surface 432 and adhering to the damper 43.
Specifically, the inner cover 32 has a first outer side 321, a first inner side 322, and a first end 323, wherein the first outer side 321 faces away from the damper blades 43. The first inner side 322 faces the damper blades 43 at an equal distance from the damper blades 43. First end 323 is connected to outer shroud 31.
The upper end of the inner cover 32 is bent downward to conform to the shape of the damper 43, and covers the damper 43. The lower end of the inner cover 32 is bent upward to conform to the shape of the damper 43, and covers the lower portion of the damper 43 to protect the damper 43 in all directions.
FIG. 10 is a schematic structural diagram of an outer cover of a brake caliper guard according to an embodiment of the present application,
fig. 11 is a schematic structural view of an outer housing disposed at an end of a clamping arm in a brake caliper shield according to an embodiment of the present disclosure. As shown in fig. 10 and 11, outer cover 31 has a second outer side surface (not shown), which is opposite to second inner side surface 311, a second inner side surface 311, and a second end surface 312, which is perpendicular to second outer side surface and second inner side surface 311.
The second inner side surface 311 is connected to the inner side cover 32, and the shape of the second end surface 312 is the same as that of the inner side cover 32, so that the connection area between the inner side cover 32 and the second inner side surface 311 is large, the connection firmness is improved, and the overall appearance of the brake lining cover 30 can be kept consistent, and the visual effect is improved.
The second inner side 311 is provided with an accommodating groove 313 for accommodating a connecting end 421 of the clamping arm 42 for connecting with the brake pad 43. Each clamping arm 42 is provided with two connecting ends 421, and each outer cover 31 is correspondingly provided with two receiving grooves 313.
For the above-mentioned clamping arm cover body 20, the embodiment also provides a specific implementation manner:
fig. 12 is a schematic structural view of a clamping arm cover and a connecting cover in the brake caliper shield according to the first embodiment of the present disclosure, and fig. 13 is a schematic view of another angle of the clamping arm cover and the connecting cover in the brake caliper shield according to the first embodiment of the present disclosure. As shown in fig. 12 and 13, the clip arm cover 20 includes: side panels 21, top panel 22 and bottom panel 23. Wherein, the lateral plate 21 is connected with the connecting cover body 10, the top plate 22 is connected with the top end of the lateral plate 21, and the bottom plate 23 is connected with the bottom end of the lateral plate 21. Top plate 22 is substantially perpendicular to side plate 21 and extends over and covers clamp arms 42. Bottom plate 23 is substantially perpendicular to side plate 21 and extends below and covers clamp arms 42.
The shape of the side plate 21 can be the same as the shape of the side surface of the clamping arm 42, so that no larger gap exists between the side plate 21 and the clamping arm 42, and snow particles are prevented from entering the gap and then being attached to the clamping arm 42.
On the basis of the above technical solution, a first heating device may be further disposed on the brake pad cover 30, and the first heating device may be a heating device commonly used in the prior art, for example: heating wires, heating plates, semiconductor heating devices, and the like. In this embodiment, the first heating device is a semiconductor heating device, is formed in a flat plate-like structure, and can be laid on the shutter cover 30. The semiconductor heating device has a cold side and a hot side having a temperature difference when a voltage is applied between the cold side and the hot side. Even if snow particles or ice cubes adhere to the shutter 43, the heat released by the first heating means can melt the snow particles or ice cubes adhering to the shutter 43.
The first heating device may be disposed in the receiving groove 313 of the outer cover 31 and attached to an inner surface of the receiving groove 313.
As shown in fig. 6, a first fluid passage hole 324 is further formed at the bottom end of the inner cover 32. The snow particles or ice adhering to the damper 43 can be discharged from the first liquid passage hole 324 after melting.
A second heating device may also be disposed on the clamping arm cover 20, and the second heating device may also be a semiconductor heating device. The second heating means may be applied to the inner surface of the top plate 22 or to the inner surface of the bottom plate 23. Even if snow particles or ice cubes adhere to the clamp arms 42, the heat released by the second heating means can melt the snow particles or ice cubes adhering to the clamp arms 42.
As shown in fig. 6 and 13, a second liquid through hole 231 is further opened in the bottom plate 23. The liquid formed by melting the snow particles or ice blocks attached to the clamp arm 42 can be discharged from the second liquid through hole 231.
Example two
The present embodiment provides a rail vehicle, including: a frame, a brake caliper, and a brake caliper guard as provided in any of the above, the guard being disposed outside the brake caliper. The brake caliper hood can be connected to the frame, in particular to a cross beam of the frame.
The rail vehicle provided by the embodiment has the same technical effects as the brake caliper protective cover.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (9)
1. A brake caliper guard, comprising:
connecting the cover body; the connecting cover body is provided with a connecting part for connecting with the bogie frame;
the clamping arm cover body is connected with the connecting cover body and is used for covering the outer side of the clamping arm in the brake clamp;
a brake pad cover body; the brake lining cover body comprises:
the outer side cover body is connected with the clamping arm cover body and is used for covering the end part of the clamping arm;
and the inner side cover body is connected with the outer side cover body and is used for covering the outer end face of the brake pad in the brake clamp.
2. The brake caliper guard of claim 1, wherein the inner shield is a curved plate having a shape that is the same as the shape of the outer end surface of the brake pad.
3. The brake caliper guard of claim 1 or 2, wherein the outer cover has a receiving slot for receiving the connecting end of the clip arm; and a first heating device is arranged in the accommodating groove.
4. The brake caliper guard of claim 3, wherein the bottom of the inner cover has a first fluid passage hole.
5. The brake caliper guard of claim 1 wherein said clip arm cover includes:
the side plate is connected with the connecting cover body and extends to cover the side surface of the clamping arm;
the top plate is connected with the top end of the side plate and extends to cover the upper part of the clamping arm;
and the bottom plate is connected with the bottom ends of the side plates and extends to cover the lower part of the clamping arm.
6. The brake caliper guard of claim 5, wherein the side plates are shaped to correspond to the sides of the clip arms.
7. A brake caliper guard according to claim 5 or 6, wherein the inner surface of the top and/or bottom plate is provided with second heating means.
8. The brake caliper guard of claim 5, wherein the base plate defines a second fluid passage.
9. A rail vehicle, comprising:
a frame;
a brake caliper disposed on the frame;
the brake caliper guard of any one of claims 1-8 attached to the frame for covering the outside of the brake caliper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811611470.6A CN111376943B (en) | 2018-12-27 | 2018-12-27 | Braking clamp protective cover and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811611470.6A CN111376943B (en) | 2018-12-27 | 2018-12-27 | Braking clamp protective cover and railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111376943A CN111376943A (en) | 2020-07-07 |
| CN111376943B true CN111376943B (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811611470.6A Active CN111376943B (en) | 2018-12-27 | 2018-12-27 | Braking clamp protective cover and railway vehicle |
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| CN (1) | CN111376943B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628059B (en) * | 2017-09-01 | 2023-05-26 | 中车唐山机车车辆有限公司 | Braking device applied to variable-track-gauge bogie |
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| WO2018043010A1 (en) * | 2016-08-31 | 2018-03-08 | 新日鐵住金株式会社 | Railroad car bogie, railroad car, and train |
| CN108730377A (en) * | 2018-08-03 | 2018-11-02 | 中南大学 | A kind of car body that anti-high-speed train braking clamp accumulated snow freezes |
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|---|---|---|---|---|
| CN1734118A (en) * | 2004-08-03 | 2006-02-15 | 阿克博诺（北美）公司 | Temperature sensitive mechanism retaining brake pads in a caliper assembly during shipping |
| CN201842068U (en) * | 2010-10-13 | 2011-05-25 | 白凯文 | Dust cover for vehicle disk brake |
| CN105402286A (en) * | 2014-09-10 | 2016-03-16 | 阿尔斯通运输技术公司 | Compressible filler piece for a brake caliper of a railway vehicle |
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| CN111376943A (en) | 2020-07-07 |
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